mac80211: rt2800: fix mt7620 E2 channel registers

update RF register 47 and 54 values according to vendor driver

Signed-off-by: Tomislav Požega <[email protected]>
Signed-off-by: Daniel Golle <[email protected]>
[[email protected]: moved changes into a separate patch]

package/kernel/mac80211/patches/021-04-rt2800-fix-mt7620-E2-channel-registers.patch

@@ -0,0 +1,41 @@
+From c426cb0ed15ee12dfdc8c53ddd1449ac617023cf Mon Sep 17 00:00:00 2001
+From: Daniel Golle <[email protected]>
+Date: Tue, 18 Apr 2017 11:45:37 +0200
+Subject: [PATCH] rt2800: fix mt7620 E2 channel registers
+To: Stanislaw Gruszka <[email protected]>
+Cc: Helmut Schaa <[email protected]>,
+    [email protected],
+    Kalle Valo <[email protected]>,
+    Tom Psyborg <[email protected]>
+
+From: Tomislav Požega <[email protected]>
+
+update RF register 47 and 54 values according to vendor driver
+
+Signed-off-by: Tomislav Požega <[email protected]>
+Signed-off-by: Daniel Golle <[email protected]>
+---
+ drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+index 86cffee6876a..8585cdc3de53 100644
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+@@ -8145,9 +8145,11 @@ static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
+-	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x69);
++	rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67);
++	rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
+-	rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x20);
++	rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
++	rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
+-- 
+2.12.2
+